package ch3;

public class TTest {

	public static void main(String[] args) {
		Triangle a = new Triangle();
		a.show();

		a.a = 3;
		a.b = 4;
		a.c = 5;
		double b = a.zhouchang();
		System.out.println(b);
		double c = a.count();

		System.out.println(c);

	}

}
